Apparatus for supporting cores in toroidal coil winding machines



Sept. 2, 1952 M. o. BENNERT ET AL 2,608,892

APPARATUS FOR SUPPORTING CORES IN TOROIDAL COIL WINDING MACHINES Filed Feb. 10, 1949 4 Sheets-Sheet 1 INVENTOPS M. 0. BENNERT MCI/MOORE By WM ATTORNEY Sept. 2, 1952 M. o. BENNERT ET AL 2,608,892

APPARATUS FOR SUPPORTING CORES IN TOROIDAL COIL WINDING MACHINES Filed Feb. 10, 1949 4 Sheets-Sheet 2 I Wvavrozvs M. 0. BE NNERT N. CZMOORE A TTORNEY P 1952 M. o. BENNERT ET AL 2,608,892

APPARATUS FOR SUPPORTING CORES IN TOROIDAL COIL WINDING MACHINES Filed Feb. 10, 1949 4 Sheets-Sheet 3 A r' TORNEY M. O. BENNERT ET AL APPARATUS FOR SUPPORTING CORES IN TOROIDAL COIL WINDING MACHINES Sept. 2, 1952 4 Sheets-Sheet 4 Filed Feb. 10, 194

20 4? 2K r .W/ r

INVENTOR M. OIBENNERT N. 0.114001%? BY F A HORNE? Patented Sept. 2, 1952 UNITED. STATES APPARATUS FOR 'SUPPORTlNG corms IN TOROIDAL con. WINDING MACHINES Malcolm OhBennert, Methuen, and'Norman 0.1 More,"West Ncwbury, 'Mass., 'assignors to Western Electric Com pany, Incorporated, New

York, N. Y., a corporation ofNew York Application February 10, 1949, SeriaIfNoJSQBM This invention relates to article supporting ap paratus, andmore particularlyto apparatus for supporting cores toroidal coil winding ma-j chines.

In toroidal coil winding machines, it is customary for the. toroidal core to be supported at a given position with respect to the shuttle and flyer of the winding machine and to move betweengiven limits'about the center of the coreduring the winding of a given number of convolutions on one portionjjof j the core' after which, during a subse-v q ent wmdm operation, similar windings" are formed on a diametrically opposite portion of the core. During the two winding operations to com-' plete' the coil, the unit, for supp rting the core the firstinstance and the core with one series ofjconvolutions in the second instance, must grip the coreand hold it in the predetermined posi tion relative'to the shuttle and 'fiyer. Therefore,

the number of toroidal coils produced in a work-" ing'day depends largely upon the time required forinitially gripping the core for the first winding-operation,releasing the coreygripping it for: the second operation, and finally'releasing the completed article. 1

' object of-the invention is to' provide an mechanism being actuated by rocking movement of the'lever to cause the jaws to firmlyclamp thearticleinagiven position.' More specifically, the hand lever is carried by a supporting member mounted forrock'ing mm ment on a shaft in conjunction with a-rocking element. As the lever is rocked in one direction, the inner end of the leverpushestherocking-ole ment about the shaft in sy-nchronisrn with 'th'e supporting. member, while the member. carries a pawl movable relative-to afixedpositionratchet to hold the supporting member; thelever; and} the ro'cking element inthe' positions thyhaVeZatf tained when the" clamping-jawsreach articlef to be clamped; Athreadedinnnendbf-thelever.f

Claims. (01. si-rli disposed in a" threaded aperture of the member causes; longitudinal "movement of the lever to, causefadditional"rocking movement of the rock'-' inglelementi. The rocking element carries a gear; segment to drive'a pinion, which is mounted one.

shaft with the pinion interposed between the r'acklike members of the clamping jaws, to move the clamping'jaws'. into clamping engagementv with the article.

]The.le'ver also includes a tubular portion m'ovable m mmmny on the threaded portion'to ens gagethepawl to move it out of engagement with the ratchetftd substantially instantaneously relaseft'he imechanism holding the-jaws in c1amp-,

ing' engagement with the article. whereby the jaws may be readily moved free of the article. A latch isalso provided to. hold the pawl away from the ratchet until theimechanism has been returned to the normal position with the clamping jaws ope'nj'after which the latch is released to free the pawl for another'clamping operation.'

I Other objects and advantages will be apparent from the following detailed description when con{ sidered in conjunction with the accompanying drawings, wherein f Fig"; 1 is a front "elevational view of the apparatus'shown in its normal position, portions thereofb'eing shown in section;

Fig. 2 is 'a front elevational view of the apparatus'shown in clamping position, portions thereof being shown in section;

:Fig'.13 is a front 'elevational view ofthe ap paratu's' shown about to be released from the clamping position for movementinto the open tion;

Fig. 4 is a horizontal sectional view taken tim the-line 4-4 of Fig.3; v

Fig.5 is a vertical sectional View taken along th'e'lineii 5 of Fig.4; and I 1 ,Fig, 6 (sheet '2) is a fragmentary sectional view taken along the line 6-56 of Fig.4.

Referring now to the drawings, the apparatus includes a main member In mounted on a vertical sha'ftfl I for. rocking movement about the axiso'f' thef'sha'ft whichwill be in: alignment with the.

centerline of "'an'article or core l2 about which coils l4. of'insulated wire I5 will be wound by the conventional 'toroidalcoil winding machine unit. (not shown). The member H] has parallel aper tures l1 and 18V therein at spaced positions, as-

illustrated in Figs. 4 and 6, to receive reciprocable members l9 and 20 for supporting clamping jaws 2 ltand 22. Theclampin'g jaws areofthe contours shown having parallel inner surfaces 23 and 24 position; portions ther'eof'being shownin secto engage opposing faces of the core l2 to firmly grip the core during the initial winding operation or to grip the first winding on the core during the second winding operation. The members 19 and 20 have rack-like teeth and 26 formed in their inner 'surfaccstengaging a pinion 21 interposed between the members and mounted on or formed integral with a shaft 28 (Fig. 4). The

shaft 28 is journalled in a bearing 30 supported in the main member 10 and. ar'heall ng 31, $1 1 ported in a cover 32 closing a cutaway portion;33 which extends into the apertures 11 and. {8. The I shaft 28 has another pinion 35 mounted on or formed integral with its inner end which engages the teeth of a gear segment 36 mounted .on a;rocking element 31. The shaft 28 with itspinions 21 and 35 may be defined as apinionelementengaging the rack-like members t9 and 20 and also the gear segment 36. The rocking element 31 is mounted for. rocking movement .on a shaft 38, which isgsp aged fromjthe shaft 28 .andthe pinion s slasgshownin. Figs, a d"5 nd ha s e d l porte iii-"aper ures (not .sho in main.

o. .he o eotodt h inne mber whereby rotationpf the sleeve will cause rotation of the nncrmomher- A sp in disp i th Sleeve fiilh'etwo n .th 'h ndle a vt end o the n er. m mber '44- n rmally u g s th s e e an handle outwardly a distance limited by'the pin 8;- .Thel nne niostu o th er mb r 4 h arsedand,nrov dedlw t ou l or 'h g n t s 1 threaded end'is r c i ablein a similarly threaded aperture "5 2 of a support- 3 which i mou ted for r ing move; men ion he shaft ,81 i'lihe outer end 54' of'the inner member 44 of thelever engages a lug '55 ounted o th rockin el ment 3: p idin op ra iv onne tionb tiv o h support 53am the rocking element The supp t 5. nivotallvsupnorts a pawl 53 @2 5 the paw be no ma ly u ed c u t lQokwise-iahon itsniv tby a spr ng'fio Fi s 1 nd/ 'l ut'jis movabl cloc w into e l o tion shown in Fig. 3 during inward movementof theol ove 45 and andle .45 .Of th lo r &- 1

latchSZ 'pivota'lly carried at 3 bygthe, support j53.

is normally ur ed lockw s iiigv 1) lay-aspir 6'4, carriedby the 'support153, toengage aproieotion 650i the paw togholdthenawlaway f a fixed position ratchetfit. The pawl isv equal i w dthto theretohetand re to engage th test. (of the ratche whenre eased by bel-etch pinilomonhtod ata. fixed p sition inthe-houoinsi3 isrositions t l e en a d, y the latch '52 wh n e ur e ts p r or norm posit on to release the pawl fora subsequent clamping operation. The-ratchet is fixedly mounted in the housing 39'and has acntaway portion "H adjacent the slot 42 in the nous-mg to straddle the lever '43 when-the; lever'is moved into its normal position. --Considerin g ncwthe operation of the apparatus-attention-isfirst directed to'Fig. 1 which illustrates; the apparatus in its open position. In this position, the'latch 62 has been engaged by '4 4 receivesf'a pin: 48 carried by the sleeve er .45 whereby the sleeve may be moved 1 longitudinally of the inner member 1 yet force of its spring into the position shown in Fig. ,3 where the pawl is held by the latchvfiz.

4 the pin 10 releasing the pawl 58 for engagement with the ratchet 66 under the force of its spring 65. The article or core I2 is then positioned between the clamping jaws 2i and 22, after which the lever 43 may be moved downwardly until the jaws either contact or almost contactthe article, after which the lever may be rotated to complete the clamping operation. During the first movement of the lever 43, the support 53 moves about ,theaxis ofthe shaftffit, and the inner end 54 of the member .44. of the lever engages the lug 55,

,thus rocking element 37 a given distance counterclockwise ,iand v causing the gear segment 36 to vrotate its pinion,.,35. Rotation of the pinion 35 wills-cause like rotation of the shaft 28 and the pinion 27 to impart simultaneous movements in "opposite directions to the reciprocable supports (BanmZ-U and their clamping jaws 2! and 22 until said clamping jaws are moved into positions closely adjacent the article. During this rocking movementotthelever withits assoc ated mochanism, the pap/1158' travels .downwarjdly' relative] to the ratchet 8'6 and finds a tooth of the ratchet to engage as illustrated in Fig. 2. The pawl,

thereforaholdsthe supporting member 53 against gear segment i3,6,pthe pinion .35, the shaftrili and the pinion 2.1; tosthemembers. l9, and 20, to force their clamping jaws into intimate engagement with thelarticle 12. The core or article is there:

fore .firhflvsripnjed at a given position bythei clamping 'jawsjwhere it will remain during the completion of the first winding operation. To releasethe clamping jaws from their clamping' pos'itions all the operator-need do is-move the handle .46 with its sleeve 45 inwardly La dis tancefsufi'icient tomove the pawl '58 against the A spring 15: positioned beneath'the reciprooable member L9 causes it. .to move upwardly while at tholsame time, the member 2D with itsclamping jaw 2? will movendownwardly, aided by. gravity and'assisted by the rotating pinion .21, until-the clamping-jaws: are in the position shown in Fig. 1. Asthe mechanism approaches the positionshown in Fig. I ,l, the latch '62 will engage the, rounded innenend of., the pin 10,,moving the latch against the fprlc, otits spring 64 to ;-release the pawl 58, allowing-into movenndertheiorce of its spring;

6,0 into engagement with the: ratchet =65.

It islto :be understood thattheabove described arrangements 33316 simply illustrative;of .the applie t o -ott eprinoi leshftheinvention. Humor: 1 ot e rr n m s may e r ilydevised by those skilled in theart-whieh will emboldy'ithe;

prin i les f ho-invention and i'fallnwilihin .the sn ritandsco eth reof.

, What; is claimedis;

L sma t I avokeiike elements .:for supporting the jawssa pinion-engagingzthe elements-ashaft supporting mou ted o at haina ear-segmentrmounted for rocking movement about its axis;v and opera;

tivelyeengaging the gearga hand lever; havin :a

the gear segment, a sleeve movable longitudinally iiiupp n apparatuscomprisineelatively movablehclampmg jaws, ,recipro cable on. ;:f.or -;rotation about its axis, a gear:

thereon and-ta handle carried 'byithe'sleeve, a support mounted for rocking movement aboutthe axisof the gear segment and having a threaded aperture to receive the threaddi ember of the hand lever, whereby movement of the hand lever tq rock thsiip'port will rock the gear segment,.to rotate .Qthe" mechanism including the gear, shaft and pi n'ion' to move the rack-like, elements and 4 l l n We to b ifiifli l the lempi i s closely adjacent ii 'e t gl fi a nP-ed therebetween, and means to hold; the supportthe'rgocked position, whereby; tion of the W lever willrcause the threadedmember tomove relative 'to' the support to cause additional movement of the gear segment and the mechanism to move the rack-like elements and the clamping jaws to firmly clamp the article between the laws.

2. Anarticle supporting apparatus comprising relatively movable clamping jaws, reciprocable rack-like elements for supporting the jaws, a pinion element engaging the elements, a shaft supporting the pinion for rotation about its axis, a gear mounted on the shaft, a gear segment mounted for rocking movement about its axis and operatively engaging the gear, a hand lever having a threaded member positioned to engage and move the gear segment, a sleeve movable longitudinally thereon and a handle carried by the sleeve, a support mounted for rocking movement about the axis of the gear segment and having a threaded aperture to receive and support the threaded member of the hand lever, whereby movement of the hand lever to rock the support will rock the gear segment, to rotate the mechanism including the gear, shaft and pinion to move the rack-like elements and their clamping jaws to position the clamping jaws closely adjacent an article to be clamped therebetween, a fixed position ratchet having a series of teeth, and a pawl pivotally mounted on the support to engage the teeth of the ratchet to hold the support in the rocked position whereby rotation of the hand lever will cause the threaded member to move relative to the support to cause additional movement of the gear segment and said mechanism to cause the rack-like elements and the clamping jaws to firmly clamp the article between the jaws.

3. An article supporting apparatus comprising relatively movable clamping jaws, reciprocable rack-like elements for supporting the jaws, a pinion element engaging the elements, a shaft supporting the pinion for rotation about its axis, a gear mounted on the shaft, a gear segment mounted for rocking movement about its axis and operatively engaging the gear, a hand lever having a threaded member positioned to engage and move the gear segment, a sleeve movable longitudinally thereon and a handle carried by the sleeve, a support mounted for rocking movement about the axis of the gear segment and having a threaded aperture to receive the threaded member of the hand lever, whereby movement of the hand lever to rock the support will rock the gear segment, to rotate the mechanism including the gear, shaft and pinion to move the rack-like elements and their clamping jaws toposition the clamping jaws closely adjacent an article to be clamped therebetween, a fixed position ratchet having a series of teeth, and a pawl pivotally mounted on the support to engage the teeth of the ratchet to hold the support in the rocked position whereby rotation of the hand lever will cause the threaded member to move relative to thefsupport l toi cause 1 additional' inovemejnt:of the; earseg'ment' andiithe imechanismto move the rack-like: elementsi'and 113E611- clalnping j'a'ws- -to firmlyi clamp. ithe article between the jaws, th'e pawlsbeing' movable free of the ratchet to-ffee the' clamping jav'vs of the article bymovemerit of thesleeve of the hand le'veri longitudinally of :the

threaded'imember. V

4. Aniarticle supporting apparatus comprising relatively movable clamping jaws, reciprocable rack-like elements for supporting-the jaws, a pinion engaging the elements, a shaft, supporting the pinion for rotation about ,,its;,axis,-Iiaigear mounted on the shaft, a gear segment mounted for rocking movement about its axis and operatively engaging the gear, a hand lever having a threaded member positioned to engage and move the gear segment, a sleeve movable longitudinally thereon and a handle carried by the sleeve, a support mounted for rocking movement about the axis of the gear segment and having a threaded aperture to receive the threaded member of the hand lever, whereby movement of the hand lever to rock the support will rock the gear segment, to rotate the mechanism including the gear, shaft and pinion to move the rack-like elements and their clamping jaws to position the clamping jaws closely adjacent an article to be clamped therebetween, a fixed position ratchet having a series of teeth, a pawl pivotally mounted on the support to engage the teeth of the ratchet to hold the support in the rocked position whereby rotation of the hand lever will cause the threaded member to move relative to the support to cause additional movement of the gear segment and the mechanism to move the rack-like elements and the clamping jaws to firmly clamp the article between the jaws, the pawl being movable free of the ratchet to free the clamping jaws of the article by movement of the sleeve of the hand lever longitudinally of the threaded member, and a latch to hold the pawl free of the ratchet during movement of the clamping jaws toward their open positions.

5. An article supporting apparatus comprising relatively movable clamping jaws, reciprocable rack-like elements for supporting the jaws, a pinion engaging the elements, a shaft supporting the pinion for rotation about its axis, a ear mounted on the shaft, a gear segment mounted for rocking movement about its axis and operatively engaging the gear, a hand lever having a threaded member positioned to engage and move the gear segment, a sleeve movable longitudinally thereon and a handle carried by the sleeve, a support mounted for rocking movement about the axis of the gear segment and having a threaded aperture to receive the threaded member of the hand lever, whereby movement of the hand lever to rock the support will rock the gear segment, to rotate the mechanism including the. gear, shaft and pinion to move the rack-like elements and their clamping jaws to position the clamping jaws closely adjacent an article to be clamped therebetween, a fixed position ratchet having a series of teeth, a pawl pivotally mounted on the support to engage the teeth of the ratchet to hold the support in the rocked position whereby rotation of the hand lever will cause the threaded member to move relative to the support to cause additional movement of the gear segment and the mechanism to move the rack-like elements and the clamping jaws to firmly clamp the article between the jaws, the pawl being movable free of the ratchet to free the clamping 

